Exodus 39:20-22

New Revised Standard Version Updated Edition

²⁰ They made two rings of gold and attached them in front to the lower part of the two shoulder pieces of the ephod, at its joining above the decorated band of the ephod. ²¹ They bound the breastpiece by its rings to the rings of the ephod with a blue cord, so that it should lie on the decorated band of the ephod and that the breastpiece should not come loose from the ephod, as the Lord had commanded Moses.

²² He also made the robe of the ephod woven all of blue yarn,^(A)